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Scientific Reasoning > L01- Use Basic Scientific Measurements and Measurement tools > Flashcards

L01- Use Basic Scientific Measurements and Measurement tools Flashcards

1
Q

What is the unit of measurement used in science?

A

metric system (SI units)

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2
Q

What is the unit of measurement for mass in SI units?

A

grams, kilograms (kg is the SI base unit)

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3
Q

What is the unit of measurement for length in SI units?

A

meters (ie. centimeters, mm)

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4
Q

What is the unit of measurement for volume in SI units?

A

solid: some meter^3
liquid: liters

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5
Q

What is the unit of measurement for time in SI units?

A

hours, minutes, seconds

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6
Q

What is the mnuemonic for unit prefizes to convert b/w metric units

A

King- kilo
Henry- hecta
Died- deca
mlg- 1.0
Drinking- deci
Chocolate- centi
Moon-milli
Milk- micro

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7
Q

What do we use to measure length?

A

ruler and meter stick

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8
Q

What is volume?

A

the amount of space an object occupies

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9
Q

What is used to measure volume?
* solid
* liquid

A
  • solid: LxWxH
  • liquid

large amounts of liquid (up to 1000 mL/ 1L or 20 L): volumetric flask is the most accurate and a graduated cylinder is intermediate precision

small amounts of liquid (< 10 mL-25 mL): volumetric pipette

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10
Q

What is used to measure mass (weight)

A
  • electronic balance (MC) or triple beam balance
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11
Q

What is used to measure thickness?

A

caliper

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12
Q

What is used to measure force?

A

spring balance

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13
Q

What is used to measure time?

A

clock or stopwatch

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14
Q

What is used to measure air pressure?

A

barometer

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15
Q

What is the unit of measurement for body weight?

A

kg (1 lb = 0.45 kg)

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16
Q

What is the unit of measurement for the heart?

A

grams

17
Q

What is the unit of measurement for body height?
* What other things can be measured with this unit?

A
  • meters
  • length of extremities and height of a door
18
Q

What is the unit of measurement for the length of an insect?
What other things can use this unit of measurement?

A
  • cm or mm
  • thickness of skin or diameter of a vein
19
Q

What is the unit of measurement for width of a fingernail?

A

mm

20
Q

What is the unit of measurement for distance b/w 2 towns/ buildings

A

km

21
Q

What is the unit of measurement for small amount of liquid?

A

mL

22
Q

What is the unit of measurement for time (specifically lifespan)

A

days, months, years

23
Q

What is the unit of measurement for time (number of breaths)?

A
  • breaths per minute
24
Q

What is the average mass of:
* a human
* a car
* a laptop

A
  • 60 kg
  • 1800 kg
  • 2.5 kg

Scientific Reasoning (9 decks)

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